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Edge pattern based demosaicking algorithm of color filter array

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Abstract

An efficient adaptive approximation demosaicking algorithm based on the sampled edge pattern was presented for mosaic images from Bayer color filter array. The proposed algorithm determined edge patterns by four nearest green values surrounding the green interpolation location. Then according to the edge patterns, different adaptive interpolation steps were applied. Simulations on 12 Kodak photos and 15 IMAX high-quality images showed that the proposed method outperformed the other four demosaicking methods (bilinear, effective color interpolation, Lu’s method and Chen’s method) for average color peak signal to noise ratios and maintained a relatively low complexity owing to constant color-difference interpolation step and a reasonable terminating condition of iteration.

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Authors and Affiliations

  1. School of Sciences, Tianjin University, Tianjin, 300072, China

    Zhanjie Song  (宋占杰)

  2. School of Electronic Information Engineering, Tianjin University, Tianjin, 300072, China

    Zhanjie Song  (宋占杰), Dongdong Wang  (王东东), Zhe Huang  (黄 喆) & Yanwei Pang  (庞彦伟)

Authors
  1. Zhanjie Song  (宋占杰)
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  2. Dongdong Wang  (王东东)
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  3. Zhe Huang  (黄 喆)
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  4. Yanwei Pang  (庞彦伟)
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Corresponding author

Correspondence to Yanwei Pang  (庞彦伟).

Additional information

Supported by National Natural Science Foundation of China (No. 60975001 and No.61271412).

Song Zhanjie, born in 1965, male, Dr, Prof.

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Song, Z., Wang, D., Huang, Z. et al. Edge pattern based demosaicking algorithm of color filter array. Trans. Tianjin Univ. 19, 29–36 (2013). https://doi.org/10.1007/s12209-013-1810-5

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  • DOI: https://doi.org/10.1007/s12209-013-1810-5

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